Questions tagged [nodes]

For general questions regarding Nodes on the Stellar Network. For specific types of node, please use the specific tag for that type.

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How would I go about implementing the Stellar Consensus Protocol?

What good resources exist on the implementation of SCP? there are plenty of papers on the mathematical details, and plenty posts on the high-level goals, but I've found next to nothing about the ...
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Continuous Status 504

I have been developing a Multi-sig based project and keeps on getting the 504 status so many times when making transaction. I have checked out the testnet staus of Horizon network as well and it seems ...
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How to fix a stuck stellar node after picking up an incorrect block?

I run two different watcher stellar nodes and they have both gotten stuck after picking up an invalid / incorrect block (i.e. the block hash of my node's top block does not match the block of the same ...
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How does one discover other nodes on the stellar network once your node is launched?

I initiated a test node to get a feel for what it is like to open one. The docker command used to inniate this was docker run --rm -it -p "8000:8000" -p "11626:11626" -p "11625:11625" --name stellar ...
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Unable to determine the status of "Catching up" node

My stellar-core node is not syncing past 1/2 children completed. In my config, I have: CATCHUP_COMPLETE=false CATCHUP_RECENT=1024 When I call "info" I see this: "info" : { "build" : "stellar-...
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externally connect to my stellar node

I created a private stellar node on my server using the documentation. When I am trying to externally connect to my node using curl I get the following error on stellar-core: [Overlay ERROR] TCP: ...
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How to set XLM masternode in local or aws server like btc node daemon

docker commands, I'm using for testing purpose in our local machine docker run --rm -it -p "8000:8000" --name stellar stellar/quickstart --testnet but Where to set config file? How I can create ...
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Native deployment of stellar pubnet

I was trying to setup stellar-core natively ( without docker) but couldn't find relevant docs on setting up databases, permissions ect. Using docker, it's quite simple: docker run --rm -it -p "8000:...
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How to configure Full Validator node?

The docs state to set the validator env var, which I did, but how do I specify that I want to run a full validator and not just a basic one? NODE_IS_VALIDATOR=true What other settings are required? ...
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How to relaunch a Testnet node to use the new Testnet after a reset while using the Docker quickstart container?

What are the recommended steps that should be taken to get a stellar testnet node using the quickstart docker reset on the new testnet? Currently it is still using the old network by the looks of it,...
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How does a stellar node know that node its communicating with is definitively in or outside its quorum group?

In order for SCP to function properly, a given node has to know that a quorum related message originated from a node in its quorum set. How does this node know for a fact that the message originated ...
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Issue during Stellar core setup

./stellar-core --genseed command should always generate same seed or it can generate different seed. What is the logic behind executing this command? As per my understanding , it should generate same ...
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Stellar-Core won't sync anymore: "Replay failed: mismatched ledger hash"

Stellar-core was running smoothly, then crashed without log entries. Node now fails to catch-up and sync. Logs are complaining about a mismatched ledger hash and I am stuck in an endless loop of ...
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How much should I pay nodes?

Disclaimer: I'm not a developer and just started venturing the blockchain and Stellar worlds Until this morning, my understanding was that miners get compensated for their work by getting gas/...
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1 answer
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What are the good configurations for having a running cluster of 3 nodes?

I am trying to set up a private stellar cluster with at least 3 nodes. I am able to setup a 2-nodes cluster but when it comes to add another node, the cluster is broken and only one node is synced. ...
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How to remove Stellar local node setup completely?

I am having some issues accessing the local node setup. I installed with this link and tried to fix it but now I want to remove the complete setup and reinstall it.
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How did the Stellar Blockchain Network start?

Based on some searches I learned that Stellar was created by Jed McCaleb in 2014, does anyone know how did he start the network? I do not see any information regarding this online, can anyone help me ...
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Order of trade executions inside the last closed ledger

How are the trades ordered before the ledger closes? Looking from a "high frequency trading" perspective, is it possible to execute some attacks like front running on Stellar? If my node receives a ...
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How does a node discover the quorums that it is in?

In order for a node to determine that a ledger has been confirmed, it needs to know that a proportion of other nodes in one of its quorum has accepted the ledger. In order to determine which nodes ...
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3 votes
1 answer
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Effects of a stellar-core node running on too slow hardware?

What are the effects of running a stellar-core node on slow/weak hardware, e.g. not meeting stellar-core hw requirements? Does that create a problem for consensus? If so, are only those affected, ...
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1 answer
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How does node discovery work?

How does a stellar-core node discover its peers? I mean both on startup and on the go.
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7 votes
3 answers
339 views

What's networkPassphrase used for?

I'm confused. The Stellar docs said there are currently three network maintained: testnet, standalone, and public. To differentiate between them we have to change the network passphrase. I know that ...
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2 answers
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Hardware/OS Requirements/Recommendations for running a Full Validator Node

What would be the recommended hardware specs for a dedicated Full Validator Node server? I read here (How big is the ledger?) that I can currently expect ~60GB disk space used by the core and ...
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  • 576
4 votes
1 answer
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What does v blocking node set mean?

I have just started with stellar. I am not able to understand v blocking node set and how do they block progress of a particular node. "An FBA protocol can guarantee liveness to a node 𝑣 only if 𝐐(...
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5 votes
2 answers
867 views

Unable to connect to horizon via JavaScript SDK

I am just getting started with Stellar. I run a node connected with test network with the following command. docker run --rm -it -p "8000:8000" -v "/home/prashant/stellar/steler-node:/opt/stellar" --...
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1 answer
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SQL Database and Stellar Ledger State

Browsing through src code, saw below line in https://github.com/stellar/stellar-core/tree/master/src/database: The Database object manages connections to an SQL database, in which the current ...
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2 votes
1 answer
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Issue establishing SCP with Public Network

I've successfully set up a watcher node on the TestNet and I'm trying to do likewise on the public network now. I've been using an adapted stellar-core.conf from the docs that looks like this: ...
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2 answers
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How/where can I host a stellar-core watcher node outside of local?

I've recently gotten a stellar-core watcher node up on my local machine and built another separate console application to interact with the database. The database itself is hosted with Amazon RDS. The ...
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8 votes
3 answers
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How to get a list of all nodes on the network

Is there a registry of some kind that I've missed? If not, how does one get an overview of the full Stellar network? I wouldn't mind if I had to 'spider' my way across nodes, asking each what its ...
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3 votes
1 answer
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How do I ensure that validator maintenance is safe for the overall network?

In the event of applying security patches, system upgrades, etc., how do I ensure the validators that depend on mine will not be affected when I have to turn off my validator?
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8 votes
1 answer
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How to become a "Verified entity" on Stellar Dashboard?

A number of nodes appear as "verified entity" in the Featured live network nodes section on https://dashboard.stellar.org/. Who is verifying and what are the requirements to be listed as "verified"?
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23 votes
2 answers
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How big is the ledger?

The public ledger adds a new entry every 3-5 seconds. So I am worried it might grow too big for normal users to run a node. How big is the current ledger and how much is it expected to grow each year?
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49 votes
3 answers
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What is the incentive to run a Stellar node?

In bitcoin, miners are rewarded by minting new coins. What's the incentive to do so in Stellar?
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